"  shang4 jie4 shi4 di4 " ,  wei4 yu2 tian1 di4 zhi1 jian1 ,  tian1 kong1 bei4 hua4 cheng2 yuan2 xing2 huo4 fang1 xing2 ,  lian2 jie1 feng1 dian3 de fang1 xiang4 ,  feng1 dian3 de fang1 xiang4 xiang4 zheng1 zhe shi4 jie4 de ben3 zhi4 .